Apple

Just two days after Jawbone announced that it will finally ship its heart rate tracking wearable, UP3, even though the tracker will not be waterproof as initially advertised, an anonymous source told the Wall Street Journal that American Express is working with Jawbone to add payment features to a future wearable.

Apple announced that ResearchKit, its open source platform that helps researchers build medical apps and recruit patients for smartphone-based clinical studies, is now open researchers and developers.

IBM Watson has taken a giant step deeper into the healthcare industry with the formation of a new business unit called Watson Health and a new cloud offering called the Watson Health Cloud.

The Apple Watch will ship in April, according to Apple CEO Tim Cook who discussed the watch on the company's first quarter earnings call.

When Apple announced its Apple Watch wearable last September, there was scarce mention of the device's battery life, leading to the natural conclusion that battery was posing a problem for the Apple Watch team.

Apple's newest software update, iOS 8.

Duke University and Ochsner Health System in Louisiana are two of the first hospitals to integrate with Apple HealthKit via Epic.

New York City-based Kinsa Health has announced that its FDA-cleared smartphone-connected thermometer is now available at CVS and Apple Stores across the US as well as online at Amazon, Apple.

Thirteen percent of consumers plan to purchase a health or fitness wearable device within the next year, according to a survey of 2,000 consumers from Acquity Group, a subsidiary of Accenture.

The burgeoning conflict between Fitbit and Apple heated up this week, with Apple pulling Fitbit products from its online store, as PhoneArena and SlashGear first spotted.